Multi network integration tests (#2464)

integration/tailscale.go

@@ -5,6 +5,7 @@ import (
 	"net/netip"
 	"net/url"
 
+	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/juanfont/headscale/integration/dockertestutil"
 	"github.com/juanfont/headscale/integration/tsic"
 	"tailscale.com/ipn/ipnstate"
@@ -27,6 +28,9 @@ type TailscaleClient interface {
 	Up() error
 	Down() error
 	IPs() ([]netip.Addr, error)
+	MustIPs() []netip.Addr
+	MustIPv4() netip.Addr
+	MustIPv6() netip.Addr
 	FQDN() (string, error)
 	Status(...bool) (*ipnstate.Status, error)
 	MustStatus() *ipnstate.Status
@@ -38,6 +42,7 @@ type TailscaleClient interface {
 	WaitForPeers(expected int) error
 	Ping(hostnameOrIP string, opts ...tsic.PingOption) error
 	Curl(url string, opts ...tsic.CurlOption) (string, error)
+	Traceroute(netip.Addr) (util.Traceroute, error)
 	ID() string
 	ReadFile(path string) ([]byte, error)